3 c. cooked macaroni
1 can cream of mushroom soup
1/2 c. milk
1/2 tsp. prepared mustard
2 c. grated sharp cheese
1 c. French fried onions

Mix macaroni, soup, milk, mustard and 1 1/2 cups cheese. Put onions and remaining cheese over top. Bake at 350 degrees for 1/2 hour.